This represents a unique identifier. It may signify an individual. To decipher its meaning, we must further context. It's possible it refers to a unique file. Looking into the where it came from of this symbol would be important. Da Ga Thomo Truc Tiep 2023 Thoi gian den tai/vào/cho ??n ngay thang/ngày tháng/ngày/ 15/m??i l?m/n?m m??i